package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.common.minio.MinioProperties;
import com.atguigu.lease.common.result.Result;
import com.atguigu.lease.web.admin.service.FileService;
import io.minio.*;
import io.minio.errors.*;
import io.swagger.v3.oas.annotations.Operation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {
    @Autowired
    private MinioClient minioClient;
    @Autowired
    private MinioProperties minioProperties;


    @Override
    public String upload(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {
        boolean b = minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioProperties.getBucketname()).build());
        if (!b) {
            minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioProperties.getBucketname()).build());
            String config = """
                        {
                              "Statement" : [ {
                                "Action" : "s3:GetObject",
                                "Effect" : "Allow",
                                "Principal" : "*",
                                "Resource" : "arn:aws:s3:::%s/*"
                              } ],
                              "Version" : "2012-10-17"
                        }
                    """.formatted(minioProperties.getBucketname());
            minioClient.setBucketPolicy(SetBucketPolicyArgs.builder().bucket(minioProperties.getBucketname()).config(config).build());
        }
        String objectname = new SimpleDateFormat("yyyyMMdd").format(new Date()) + "/" + UUID.randomUUID().toString() + "_" + file.getOriginalFilename();
        minioClient.putObject(PutObjectArgs.builder().bucket(minioProperties.getBucketname()).object(objectname).contentType(file.getContentType()).stream(file.getInputStream(), file.getSize(), -1).build());
        String url = String.join("/", minioProperties.getEndpoint(), minioProperties.getBucketname(),objectname);
        return url;
    }


}
